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18 hours ago · The volume rate of flow of liquid through a source or sink (with the flow through a sink given a negative sign) is equal to the divergence of the velocity field at the pipe mouth, so adding up (integrating) the divergence of the liquid throughout the volume enclosed by S equals the volume rate of flux through S. This is the divergence theorem.
18 hours ago · Perturbation theory (quantum mechanics) In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a mathematical solution is known, and add an additional ...
18 hours ago · A right triangle with sides relative to an angle at the point. Inverse trigonometric functions are useful when trying to determine the remaining two angles of a right triangle when the lengths of the sides of the triangle are known. Recalling the right-triangle definitions of sine and cosine, it follows that.
18 hours ago · www.nataliereckert.com Anne Weber completed an undergraduate degree in BA Psychology before turning to physics and graduating with a master‘s degree from the University of Jena, Germany. Anne is currently a PhD candidate at King's College London where she explores the applicability of the quantum orbit approach near the high-harmonic cutoff.
